Used correctly, this could be nice. Used in a bad way, all hell will break loose.
Source Atle Mo
A classic dark tile for a bit of vintage darkness.
Source Listvetra
Did anyone say The Hoff? This pattern is in no way related to Baywatch.
Source Josh Green
Remixed from a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Prismatic Abstract Geometric Background 4
Source GDJ
A seamless pattern drawn originally in Paint.net by distorting a slice of background pattern 116 and copying the resulting triangle numerous times.
Source Firkin
You know you can’t get enough of these linen-fabric-y patterns.
Source James Basoo
A seamless pattern made from the gold Penrose triangle by GDJ and the two remixes
Source Firkin
A repeating background for websites with a texture of black groove stripes.
Source V. Hartikainen
Prismatic Floral Pattern 3 Variation 3 No Background
Source GDJ
Very dark pattern with some noise and 45-degree lines.
Source Stefan Aleksić
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
It was called Navy Blue, but I made it dark. You know, the way I like it.
Source Ethan Hamilton
Pattern formed from simple shapes. Black version.
Source Firkin
The image depicts a seamless pattern of a Japanese family crest called "chidori" in Japanese .A chidori in Japanese means a plover in English.
Source Yamachem
A free black metallic background pattern. Here's a new pattern I made that looks metallic.
Source V. Hartikainen
A beautiful dark padded pattern, like an old classic sofa.
Source Chris Baldie
Remixed from a drawing in 'Paul's Sister', Frances Peard, 1889.
Source Firkin
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I. A version of the original with random colors.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso